No duckin' the deliciousness in this canned food! Duck and Sweet Potato Formula Canned Dog Food from Wellness is filled with tasty fowl that's sure to tantalize the taste buds of your four-legged pal. The unique source of protein is not common in dog foods, reducing the risk of food-related allergies. Added sweet potatoes provide an excellent source of beta-carotene, vitamins, and other essential nutrients, and ground flaxseed gives a big boost to the immune system.